重写了截图查看窗口

big_image.cpp

@@ -0,0 +1,31 @@
+#include "big_image.h"
+#include <QHBoxLayout>
+big_image::big_image(DBlurEffectWidget *parent) : DBlurEffectWidget(parent)
+{
+//    m_image->setParent(this);
+    QHBoxLayout *layout=new QHBoxLayout;
+    setLayout(layout);
+    layout->addWidget(m_image);
+    layout->setMargin(0);
+    m_image->setAlignment(Qt::AlignCenter);
+    m_image->setMaximumSize(1024,768);
+    setWindowFlags(this->windowFlags() | Qt::WindowStaysOnTopHint);//设置图片对话框总在最前
+
+}
+
+void big_image::mousePressEvent(QMouseEvent *)
+{
+    hide();
+    m_image->clear();
+}
+
+void big_image::setimage(QPixmap image)
+{
+    m_image->setPixmap(image);
+}
+
+void big_image::focusOutEvent(QFocusEvent *)
+{
+    hide();
+    m_image->clear();
+}